compare timestamps in javascript

Question

I have a date saved in a string with this format: 2017-09-28T22:59:02.448804522Z this value is provided by a backend service.

Now, in javascript how can

Answer 1

const anyTime = new Date("2017-09-28T22:59:02.448804522Z").getTime();
const currentTime = new Date().getTime();
if(currentTime > anyTime){
    //codes
}